Finding the Fourth Proportional to 523,701.74, 722,739.37 and 394,412.17
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Solution
The fourth proportional to 523,701.74, 722,739.37 and 394,412.17 is: 544,312.12
Step by Step Solution
- Step 1: Write the proportion equation
523,701.74 : 722,739.37 = 394,412.17 : x - Step 2: Convert to fraction form
523,701.74/722,739.37 = 394,412.17/x - Step 3: Cross multiply
523,701.74x = 722,739.37 × 394,412.17 - Step 4: Simplify right side
523,701.74x = 285,057,203,266.13 - Step 5: Solve for x
x = 285,057,203,266.13/523,701.74 - Step 6: Final answer
x = 544,312.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.